You can live in real estate and get dividends from stocks. Cryptocurrencies are more similar to commodities: gold, wheat, coal. (You can consume wheat and coal, yes, but that consumes them and then you don't have them anymore; that's not profit.)
I recommend not storing your password with your coke.
I'm afraid your comment doesn't make much sense.
There are people using Bitcoin as a currency, via lightning, right now. More join all the time. The network expands.
It is a currency, is used as a currency, as sats. It is also a long term store of value as Bitcoin. You can ignore reality as much as your like, but the world has moved on from your 2017 era complaints.
It is wildly practical today, and there are several good custodial solutions if you do not wish to run a node yourself. Please give it a try!